1. Department of Inorganic and Organic Chemistry, Section of Organic Chemistry, and Institute of Biomedicine (IBUB), University of Barcelona, Carrer Martí i Franqués 1-11, 08028 Barcelona, Catalonia, Spain
2. Department of Inorganic and Organic Chemistry, Section of Inorganic Chemistry, University of Barcelona, Carrer Martí i Franqués 1-11, 08028 Barcelona, Catalonia, Spain
3. Unitat de Difracció de RX, CCiTUB, Universitat de Barcelona, Carrer Solé i Sabarís 1-3, 08028 Barcelona, Catalonia, Spain